Gdetermine if each could have given the above spectrum. it's possible that more than one compound or no compounds could match the spectrum. compound a be compound x. compound b be compound x. compound c be compound x. compound d be compound x. compound e be compound x.

Estimate the change in specific internal energy au and specific enthalpy h from inlet to outlet for ethylene glycol (a liquid) flowing through each of the following devices: (a) a heat exchanger where the glycol temperature increases from 20 °c to 80 °c; (b) a pump operating at about 25 °c and increasing the glycol pressure from 100 kpa to 8 mpa.